/* ================================================
   AKMR — AI Kungfu Master Revenue
   Design System: Dark AI + Business
   ================================================ */

/* ---- CSS Variables ---- */
:root {
  --cyan: #06b6d4;
  --cyan-dim: #0891b2;
  --purple: #8b5cf6;
  --purple-dim: #7c3aed;
  --violet: #a78bfa;
  --blue: #3b82f6;
  --green: #10b981;
  --yellow: #fbbf24;
  --red: #ef4444;
  --pink: #ec4899;
  --orange: #f97316;

  --bg: #060a10;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-glow: rgba(6,182,212,0.25);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --gradient-main: linear-gradient(135deg, #06b6d4, #8b5cf6);
  --gradient-hero: linear-gradient(135deg, #06b6d4 0%, #3b82f6 40%, #8b5cf6 100%);
  --gradient-glow: radial-gradient(ellipse, rgba(6,182,212,0.15) 0%, transparent 70%);

  --font-main: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-glow: 0 0 40px rgba(6,182,212,0.15);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-card-hover: 0 8px 40px rgba(0,0,0,0.6), 0 0 30px rgba(6,182,212,0.1);

  --nav-height: 72px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ---- Animated Background ---- */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(6,182,212,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6,182,212,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}
.bg-glow {
  position: fixed; border-radius: 50%; pointer-events: none; z-index: 0;
  filter: blur(100px); opacity: 0.4;
}
.bg-glow-1 {
  width: 600px; height: 600px; top: -150px; right: -150px;
  background: radial-gradient(circle, rgba(139,92,246,0.25), transparent 70%);
  animation: floatGlow 12s ease-in-out infinite;
}
.bg-glow-2 {
  width: 500px; height: 500px; bottom: 20%; left: -100px;
  background: radial-gradient(circle, rgba(6,182,212,0.2), transparent 70%);
  animation: floatGlow 15s ease-in-out infinite reverse;
}
.bg-glow-3 {
  width: 400px; height: 400px; top: 50%; left: 50%; transform: translate(-50%,-50%);
  background: radial-gradient(circle, rgba(59,130,246,0.1), transparent 70%);
  animation: floatGlow 18s ease-in-out infinite;
}
@keyframes floatGlow {
  0%, 100% { transform: translate(0,0); }
  33% { transform: translate(30px,-20px); }
  66% { transform: translate(-20px,30px); }
}

/* ---- Layout ---- */
.container {
  max-width: 1200px; margin: 0 auto;
  padding: 0 24px; position: relative; z-index: 1;
}

/* ================================================
   NAVIGATION
   ================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9999;
  height: var(--nav-height);
  background: rgba(6,10,16,0.75);
  backdrop-filter: blur(24px);
  border-bottom: 2px solid rgba(6,182,212,0.15);
  transition: all var(--transition);
}
.nav.scrolled {
  background: rgba(6,10,16,0.96);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5), 0 1px 0 rgba(6,182,212,0.12);
  border-bottom-color: rgba(6,182,212,0.2);
}
.nav-container {
  max-width: 1200px; margin: 0 auto;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em;
}
.logo-icon { display: flex; align-items: center; }
.logo-text {
  background: var(--gradient-main);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex; align-items: center; gap: 6px;
}
.nav-link {
  padding: 8px 14px; border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 600; color: var(--text-primary);
  transition: all var(--transition);
  letter-spacing: 0.01em;
}
.nav-link:hover { color: var(--cyan); background: rgba(6,182,212,0.08); }
.nav-link-cta {
  background: var(--gradient-main); color: #fff !important;
  -webkit-text-fill-color: #fff;
  font-weight: 700; padding: 9px 18px;
  border: none;
}
.nav-link-cta:hover {
  opacity: 1; transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(6,182,212,0.5), 0 0 12px rgba(139,92,246,0.3);
  filter: brightness(1.15);
}
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; border-radius: var(--radius-sm);
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all var(--transition); }

/* ================================================
   HERO
   ================================================ */
.hero {
  min-height: 100vh; padding-top: var(--nav-height);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
}
.hero-container {
  max-width: 1200px; margin: 0 auto; padding: 80px 24px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 100px;
  border: 1px solid var(--border-glow);
  background: rgba(6,182,212,0.08);
  font-size: 0.8rem; font-weight: 600;
  color: var(--cyan); letter-spacing: 0.04em;
  text-transform: uppercase; margin-bottom: 24px;
}
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.6; transform: scale(0.85); } }

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 900; line-height: 1.1;
  letter-spacing: -0.03em; margin-bottom: 24px;
}
.title-line { display: block; }
.title-gradient {
  background: var(--gradient-hero);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-title em { font-style: italic; color: var(--cyan); -webkit-text-fill-color: var(--cyan); }

.hero-desc {
  font-size: 1.1rem; color: var(--text-secondary); line-height: 1.7;
  margin-bottom: 36px; max-width: 560px;
}
.hero-desc strong { color: var(--text-primary); }
.text-cyan { color: var(--cyan); font-weight: 700; }
.text-red { color: var(--red); }

.hero-actions { display: flex; gap: 12px; margin-bottom: 48px; flex-wrap: wrap; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius-md);
  font-size: 0.95rem; font-weight: 700;
  transition: all var(--transition); cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-main); color: #fff;
  -webkit-text-fill-color: #fff;
  box-shadow: 0 4px 20px rgba(6,182,212,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(6,182,212,0.5), 0 0 15px rgba(139,92,246,0.3);
  filter: brightness(1.1);
}
.btn-ghost {
  background: var(--bg-card); color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-card-hover); border-color: rgba(255,255,255,0.15); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--cyan);
  -webkit-text-fill-color: var(--cyan);
  border: 1.5px solid var(--cyan);
}
.btn-outline:hover { background: rgba(6,182,212,0.1); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(6,182,212,0.2); }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; width: 100%; justify-content: center; }

.hero-stats {
  display: flex; align-items: center; gap: 32px;
}
.stat { text-align: center; }
.stat-value {
  display: block; font-size: 2rem; font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1.1;
}
.stat-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 500; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ---- Hero Visual / Dashboard ---- */
.hero-visual { position: relative; }
.hero-dashboard {
  background: rgba(15,20,30,0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  overflow: hidden;
  box-shadow: var(--shadow-card), 0 0 60px rgba(6,182,212,0.08);
}
.dash-header {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.dash-dots { display: flex; gap: 6px; }
.dash-dots span { width: 12px; height: 12px; border-radius: 50%; }
.dash-dots span:nth-child(1) { background: #ef4444; }
.dash-dots span:nth-child(2) { background: #fbbf24; }
.dash-dots span:nth-child(3) { background: #10b981; }
.dash-title { font-size: 0.8rem; color: var(--text-muted); font-family: var(--font-mono); margin-left: 4px; }
.dash-body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.dash-metric {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.dash-metric-label { font-size: 0.8rem; color: var(--text-muted); flex: 1; }
.dash-metric-value { font-size: 1.1rem; font-weight: 800; font-family: var(--font-mono); color: var(--text-primary); }
.dash-metric-change { font-size: 0.75rem; font-weight: 700; padding: 2px 8px; border-radius: 100px; }
.dash-metric-change.positive { background: rgba(16,185,129,0.15); color: var(--green); }

.dash-chart { padding: 8px 0; }
.chart-bars { display: flex; align-items: flex-end; gap: 8px; height: 80px; }
.chart-bar {
  flex: 1; height: var(--h); border-radius: 4px 4px 0 0;
  background: rgba(6,182,212,0.25);
  position: relative; transition: all var(--transition);
}
.chart-bar.active { background: var(--gradient-main); box-shadow: 0 0 15px rgba(6,182,212,0.4); }
.chart-bar span {
  position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%);
  font-size: 0.65rem; color: var(--text-muted); font-family: var(--font-mono);
}

.dash-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.dash-mini {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 12px 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm); text-align: center;
}
.mini-icon { font-size: 1.2rem; }
.mini-label { font-size: 0.65rem; color: var(--text-muted); }
.mini-value { font-size: 0.75rem; font-weight: 700; color: var(--cyan); font-family: var(--font-mono); }

/* Floating Cards */
.float-card {
  position: absolute;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: rgba(15,20,30,0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  min-width: 220px;
}
.float-card-1 { top: -20px; left: -40px; animation: floatCard1 6s ease-in-out infinite; }
.float-card-2 { bottom: 20px; right: -20px; animation: floatCard2 7s ease-in-out infinite; }
@keyframes floatCard1 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
@keyframes floatCard2 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(10px)} }
.float-icon { font-size: 1.5rem; }
.float-text strong { display: block; font-size: 0.85rem; font-weight: 700; }
.float-text span { font-size: 0.75rem; color: var(--text-muted); }

/* ================================================
   ECOSYSTEM
   ================================================ */
.ecosystem {
  padding: 44px 0;
  border-top: 1px solid rgba(6,182,212,0.12);
  border-bottom: 1px solid rgba(6,182,212,0.12);
  background: linear-gradient(180deg, rgba(6,182,212,0.03) 0%, rgba(139,92,246,0.02) 100%);
  position: relative; z-index: 1;
}
.ecosystem-label {
  text-align: center; font-size: 0.85rem; font-weight: 600;
  color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 28px;
}
.ecosystem-logos {
  display: flex; align-items: center; justify-content: center;
  gap: 28px; flex-wrap: wrap;
}
.eco-logo {
  display: flex; align-items: center; justify-content: center;
  padding: 14px; border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  transition: all var(--transition);
  position: relative; cursor: pointer;
  filter: grayscale(0); opacity: 0.9;
}
.eco-logo:hover { opacity: 1; border-color: rgba(6,182,212,0.4); box-shadow: 0 0 24px rgba(6,182,212,0.15); transform: translateY(-3px); background: rgba(255,255,255,0.1); }
.eco-logo::after {
  content: attr(data-tooltip);
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: rgba(15,20,30,0.95); color: var(--text-primary);
  font-size: 0.75rem; padding: 4px 10px; border-radius: var(--radius-sm);
  white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity 0.2s;
  border: 1px solid var(--border);
}
.eco-logo:hover::after { opacity: 1; }

/* ================================================
   SECTIONS SHARED
   ================================================ */
section { padding: 100px 0; position: relative; z-index: 1; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--cyan); padding: 4px 14px;
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: 100px; background: rgba(6,182,212,0.06);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; letter-spacing: -0.02em; line-height: 1.15;
  margin-bottom: 16px;
}
.section-desc { font-size: 1.05rem; color: var(--text-secondary); max-width: 640px; margin: 0 auto; }
.text-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ================================================
   PAIN POINTS
   ================================================ */
.pain-points { background: rgba(255,255,255,0.01); }
.pain-grid {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 20px;
}
.pain-card {
  padding: 28px; border-radius: var(--radius-lg);
  background: var(--bg-card); border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative; overflow: hidden;
}
.pain-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--gradient-main); opacity: 0;
  transition: opacity var(--transition);
}
.pain-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: rgba(6,182,212,0.2); }
.pain-card:hover::before { opacity: 0.03; }

.pain-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.pain-icon-red { background: rgba(239,68,68,0.12); color: var(--red); }
.pain-icon-orange { background: rgba(249,115,22,0.12); color: var(--orange); }
.pain-icon-yellow { background: rgba(251,191,36,0.12); color: var(--yellow); }
.pain-icon-purple { background: rgba(139,92,246,0.12); color: var(--purple); }
.pain-icon-blue { background: rgba(59,130,246,0.12); color: var(--blue); }
.pain-icon-pink { background: rgba(236,72,153,0.12); color: var(--pink); }

.pain-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.pain-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 20px; }
.pain-stat {
  padding: 12px 14px; border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.3); border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 4px;
}
.pain-stat-value { font-size: 1.3rem; font-weight: 900; color: var(--cyan); font-family: var(--font-mono); }
.pain-stat-label { font-size: 0.75rem; color: var(--text-muted); line-height: 1.4; }

/* ================================================
   SOLUTION
   ================================================ */
.solution { background: var(--bg); }
.solution-flow {
  display: flex; align-items: flex-start;
  gap: 8px; flex-wrap: wrap; justify-content: center;
  position: relative;
}
.flow-step { display: flex; flex-direction: column; align-items: center; gap: 12px; flex: 0 0 160px; }
.flow-connector { display: flex; align-items: center; padding-top: 60px; flex: 0 0 40px; }
.flow-number {
  font-size: 0.7rem; font-weight: 800; font-family: var(--font-mono);
  color: var(--cyan); letter-spacing: 0.1em;
  padding: 4px 10px; border-radius: 100px;
  border: 1px solid rgba(6,182,212,0.3);
  background: rgba(6,182,212,0.06);
}
.flow-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
  text-align: center; width: 100%;
  transition: all var(--transition);
}
.flow-card:hover { border-color: var(--border-glow); box-shadow: 0 0 30px rgba(6,182,212,0.1); transform: translateY(-3px); }
.flow-icon { font-size: 2rem; margin-bottom: 10px; }
.flow-card h3 { font-size: 0.9rem; font-weight: 700; margin-bottom: 8px; }
.flow-card p { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; margin-bottom: 10px; }
.flow-tags { display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; }
.flow-tags span {
  font-size: 0.65rem; padding: 2px 8px; border-radius: 100px;
  background: rgba(6,182,212,0.08); border: 1px solid rgba(6,182,212,0.2);
  color: var(--cyan); font-weight: 600;
}

/* ================================================
   FEATURES
   ================================================ */
.features { background: rgba(255,255,255,0.015); }
.features-grid {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 20px;
}
.feature-card {
  padding: 28px; border-radius: var(--radius-lg);
  background: var(--bg-card); border: 1px solid var(--border);
  position: relative; overflow: hidden;
  transition: all var(--transition);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: rgba(139,92,246,0.3); }
.feature-card-lg { grid-column: span 2; }

.feature-glow {
  position: absolute; top: -50%; right: -30%;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.12), transparent 70%);
  pointer-events: none;
}
.feature-badge {
  position: absolute; top: 16px; right: 16px;
  font-size: 0.7rem; font-weight: 800;
  padding: 4px 10px; border-radius: 100px;
  background: var(--gradient-main); color: #fff;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.feature-icon-wrap { margin-bottom: 16px; }
.feature-icon { font-size: 2rem; }
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 16px; }
.feature-list { display: flex; flex-direction: column; gap: 8px; }
.feature-list li {
  font-size: 0.85rem; color: var(--text-secondary);
  padding-left: 18px; position: relative;
}
.feature-list li::before {
  content: '→'; position: absolute; left: 0;
  color: var(--cyan); font-weight: 700;
}

/* ================================================
   TECH STACK
   ================================================ */
.tech-stack { background: var(--bg); }
.tech-grid {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 16px; margin-bottom: 48px;
}
.tech-card {
  padding: 24px 20px; border-radius: var(--radius-lg);
  background: var(--bg-card); border: 1px solid var(--border);
  text-align: center; transition: all var(--transition);
}
.tech-card:hover { transform: translateY(-4px); border-color: var(--border-glow); box-shadow: 0 8px 40px rgba(6,182,212,0.1); }
.tech-icon-wrap {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px; font-size: 1.8rem;
}
.tech-dify { background: rgba(139,92,246,0.15); }
.tech-n8n { background: rgba(249,115,22,0.12); }
.tech-zalo { background: rgba(0,104,255,0.12); }
.tech-pg { background: rgba(59,130,246,0.12); }
.tech-espo { background: rgba(16,185,129,0.12); }
.tech-metabase { background: rgba(251,191,36,0.12); }
.tech-tg { background: rgba(6,182,212,0.12); }
.tech-wp { background: rgba(100,116,139,0.12); }

.tech-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.tech-card p { font-size: 0.75rem; color: var(--cyan); font-weight: 600; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.06em; }
.tech-role { font-size: 0.72rem; color: var(--text-muted); line-height: 1.4; }

/* Architecture Diagram */
.tech-architecture {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 32px; text-align: center;
}
.arch-label {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 24px;
}
.arch-diagram { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.arch-layer { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: center; }
.arch-node {
  padding: 10px 20px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  font-size: 0.85rem; font-weight: 600; font-family: var(--font-mono);
}
.arch-node-ai { background: rgba(139,92,246,0.12); border-color: rgba(139,92,246,0.3); color: var(--violet); }
.arch-node-engine { background: rgba(249,115,22,0.1); border-color: rgba(249,115,22,0.3); color: var(--orange); }
.arch-node-hitl { background: rgba(6,182,212,0.1); border-color: rgba(6,182,212,0.3); color: var(--cyan); }
.arch-connector { color: var(--text-muted); font-size: 1.2rem; }
.arch-arrow { font-size: 1.4rem; color: var(--text-muted); }

/* ================================================
   JOURNEYS
   ================================================ */
.journeys { background: rgba(255,255,255,0.01); }
.journey-timeline {
  position: relative; padding-left: 40px; max-width: 900px; margin: 0 auto;
}
.journey-line {
  position: absolute; left: 15px; top: 20px; bottom: 20px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--purple));
  opacity: 0.3;
}
.journey-item { display: flex; align-items: flex-start; gap: 24px; margin-bottom: 32px; position: relative; }
.journey-dot {
  position: absolute; left: -33px; top: 20px;
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--bg);
  flex-shrink: 0; z-index: 1;
  box-shadow: 0 0 12px currentColor;
}
.journey-dot-red { background: var(--red); color: var(--red); }
.journey-dot-green { background: var(--green); color: var(--green); }
.journey-dot-blue { background: var(--blue); color: var(--blue); }
.journey-dot-yellow { background: var(--yellow); color: var(--yellow); }
.journey-dot-cyan { background: var(--cyan); color: var(--cyan); }
.journey-dot-purple { background: var(--purple); color: var(--purple); }

.journey-card {
  flex: 1; padding: 24px 28px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.journey-card:hover { transform: translateX(4px); border-color: var(--border-glow); }
.journey-time { font-size: 0.75rem; font-weight: 700; color: var(--cyan); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.06em; }
.journey-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.journey-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; }
.journey-kpi {
  font-size: 0.75rem; color: var(--text-muted);
  padding: 6px 12px; border-radius: 100px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  display: inline-block; font-family: var(--font-mono);
}

/* ================================================
   FOR WHO
   ================================================ */
.for-who { background: var(--bg); }
.who-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.who-card {
  padding: 36px 28px; border-radius: var(--radius-xl);
  background: var(--bg-card); border: 1px solid var(--border);
  text-align: center; transition: all var(--transition);
}
.who-card:hover { transform: translateY(-6px); border-color: var(--border-glow); box-shadow: var(--shadow-card-hover); }
.who-icon { font-size: 3rem; margin-bottom: 20px; display: block; }
.who-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.who-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 20px; }
.who-card ul { display: flex; flex-direction: column; gap: 8px; text-align: left; }
.who-card li {
  font-size: 0.85rem; color: var(--text-secondary);
  padding: 8px 12px;
  background: rgba(6,182,212,0.04); border: 1px solid rgba(6,182,212,0.1);
  border-radius: var(--radius-sm);
}

/* ================================================
   PRICING
   ================================================ */
.pricing { background: rgba(255,255,255,0.01); }
.pricing-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; align-items: start; }
.pricing-card {
  padding: 36px 28px; border-radius: var(--radius-xl);
  background: var(--bg-card); border: 1px solid var(--border);
  position: relative; transition: all var(--transition);
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card-featured {
  background: linear-gradient(135deg, rgba(6,182,212,0.08), rgba(139,92,246,0.08));
  border-color: rgba(6,182,212,0.35);
  box-shadow: 0 0 60px rgba(6,182,212,0.12);
}
.pricing-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--gradient-main); color: #fff;
  font-size: 0.7rem; font-weight: 800; padding: 4px 16px;
  border-radius: 100px; white-space: nowrap; text-transform: uppercase; letter-spacing: 0.06em;
}
.pricing-header { margin-bottom: 24px; }
.pricing-header h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 4px; }
.pricing-sub { font-size: 0.85rem; color: var(--text-muted); }
.pricing-price {
  display: flex; align-items: flex-start; gap: 4px;
  margin-bottom: 8px;
}
.price-currency { font-size: 1.5rem; font-weight: 700; color: var(--text-muted); padding-top: 8px; }
.price-value { font-size: 2.8rem; font-weight: 900; line-height: 1; font-family: var(--font-mono); }
.price-value-sm { font-size: 1.5rem; font-weight: 800; padding-top: 12px; }
.price-period { font-size: 0.9rem; color: var(--text-muted); padding-top: 20px; }
.pricing-note { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 24px; min-height: 36px; }
.pricing-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.pricing-features li { font-size: 0.88rem; color: var(--text-secondary); display: flex; align-items: center; gap: 8px; }
.check { color: var(--green); font-weight: 700; font-size: 1rem; flex-shrink: 0; }

/* ================================================
   TESTIMONIALS
   ================================================ */
.testimonials { background: var(--bg); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.3s ease;
  position: relative;
}
.testimonial-card:hover {
  border-color: rgba(6, 182, 212, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
.testimonial-featured {
  border-color: rgba(6, 182, 212, 0.35);
  background: linear-gradient(145deg, rgba(6, 182, 212, 0.06), rgba(139, 92, 246, 0.04));
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.08);
}
.testimonial-stars {
  color: #fbbf24;
  font-size: 1.1rem;
  letter-spacing: 2px;
}
.testimonial-text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-secondary);
  font-style: italic;
  flex: 1;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.82rem;
  color: #fff;
  flex-shrink: 0;
}
.testimonial-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.testimonial-info strong {
  font-size: 0.88rem;
  color: var(--text-primary);
}
.testimonial-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Section-level CTA (lead gen) */
.section-cta {
  text-align: center;
  margin-top: 40px;
  padding-top: 8px;
}
.section-cta .btn {
  font-size: 0.95rem;
  padding: 16px 36px;
  box-shadow: 0 4px 20px rgba(6,182,212,0.2);
  animation: ctaPulse 3s ease-in-out infinite;
}
@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(6,182,212,0.2); }
  50% { box-shadow: 0 4px 32px rgba(6,182,212,0.4); }
}

/* Industry "Ngành khác" CTA card */
.industry-other {
  text-decoration: none;
  cursor: pointer;
  background: linear-gradient(135deg, rgba(6,182,212,0.12), rgba(139,92,246,0.12)) !important;
  border: 2px dashed rgba(6,182,212,0.4) !important;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.industry-other:hover {
  border-color: var(--cyan) !important;
  background: linear-gradient(135deg, rgba(6,182,212,0.18), rgba(139,92,246,0.18)) !important;
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(6,182,212,0.15);
}
.industry-other h4 { color: var(--cyan); }
.industry-cta-badge {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 0.02em;
}

/* ================================================
   CTA
   ================================================ */
.cta { background: var(--bg); }
.cta-card {
  position: relative; border-radius: var(--radius-xl);
  border: 1px solid rgba(6,182,212,0.25);
  overflow: hidden; padding: 60px;
  background: linear-gradient(135deg, rgba(6,182,212,0.06) 0%, rgba(139,92,246,0.06) 100%);
}
.cta-glow {
  position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 400px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(6,182,212,0.12), transparent 70%);
  pointer-events: none;
}
.cta-content { position: relative; z-index: 1; text-align: center; }
.cta-content h2 { font-size: 2.5rem; font-weight: 900; margin-bottom: 16px; letter-spacing: -0.02em; }
.cta-content p { font-size: 1rem; color: var(--text-secondary); max-width: 640px; margin: 0 auto 40px; line-height: 1.7; }

/* Form */
.cta-form { max-width: 640px; margin: 0 auto 32px; display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { display: flex; flex-direction: column; }
.form-group-full { grid-column: span 2; }
.form-group-sm { flex: 0 0 140px; }
.form-group-lg { flex: 1; }
.form-row:has(.form-group-sm) {
  display: flex;
}

/* Form Labels */
.form-group label {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}
.form-group label .req {
  color: #ef4444;
  font-weight: 700;
}

.form-group input,
.form-group select {
  padding: 14px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary); font-size: 0.9rem;
  transition: all var(--transition);
  appearance: none; -webkit-appearance: none;
}
.form-group input::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: rgba(6,182,212,0.5);
  box-shadow: 0 0 0 3px rgba(6,182,212,0.1);
  background: rgba(255,255,255,0.07);
}
.form-group select option { background: #0f141e; color: var(--text-primary); }

/* Form Header Badge (matches Fluent Form design) */
.form-header-badge {
  background: linear-gradient(135deg, #0f2a4a 0%, #1a7efb 100%);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 4px;
  text-align: left;
}
.form-header-badge-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.badge-icon { font-size: 1.6rem; }
.badge-text {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}
.form-header-sub {
  color: #bfdbfe !important;
  font-size: 0.82rem !important;
  margin: 0 !important;
  line-height: 1.6 !important;
  text-align: left !important;
  max-width: 100% !important;
}
.form-header-sub strong { color: #fff; }

/* Security Notice */
.form-security-notice {
  background: rgba(56, 189, 248, 0.08);
  border-left: 4px solid #38bdf8;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 10px 14px;
  margin-bottom: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
  text-align: left;
}
.form-security-notice strong {
  color: var(--text-primary);
}

/* Honeypot — hidden from humans, visible to bots */
.form-hp {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  opacity: 0 !important;
  height: 0 !important;
  width: 0 !important;
  overflow: hidden !important;
  pointer-events: none !important;
}

.cta-trust {
  display: flex; align-items: center; justify-content: center;
  gap: 32px; flex-wrap: wrap; margin-top: 20px;
}
.trust-item { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--text-secondary); }

/* Form Success */
.form-success {
  text-align: center; padding: 40px;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: var(--radius-lg);
}
.form-success h3 { font-size: 1.5rem; font-weight: 800; color: var(--green); margin-bottom: 8px; }
.form-success p { color: var(--text-secondary); }

/* ================================================
   LEAD CAPTURE MODAL
   ================================================ */
.lead-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.lead-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.lead-modal {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: linear-gradient(145deg, rgba(15, 20, 30, 0.98), rgba(10, 14, 22, 0.99));
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-xl);
  padding: 36px 32px 28px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 0 40px rgba(6, 182, 212, 0.08);
  transform: translateY(30px) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  max-height: 90vh;
  overflow-y: auto;
}
.lead-modal-overlay.active .lead-modal {
  transform: translateY(0) scale(1);
}
.lead-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  font-size: 1.5rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  line-height: 1;
}
.lead-modal-close:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--red);
}

/* Modal Header */
.lead-modal-header { margin-bottom: 20px; }
.lead-modal-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #0f2a4a, #1a7efb);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 10px;
}
.lead-modal-badge span:first-child { font-size: 1.4rem; }
.lead-modal-badge span:last-child {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
}
.lead-modal-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}
.lead-modal-sub strong { color: var(--text-secondary); }

/* Modal Form */
.lead-modal-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.modal-form-row {
  display: flex;
  gap: 12px;
}
.modal-form-group {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.modal-form-sm { flex: 0 0 130px; }
.modal-form-lg { flex: 1; }
.modal-form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
}
.modal-form-group label .req { color: #ef4444; }
.modal-form-group input,
.modal-form-group select {
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.88rem;
  transition: all var(--transition);
  appearance: none;
  -webkit-appearance: none;
}
.modal-form-group input::placeholder { color: var(--text-muted); }
.modal-form-group input:focus,
.modal-form-group select:focus {
  outline: none;
  border-color: rgba(6, 182, 212, 0.5);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
  background: rgba(255, 255, 255, 0.07);
}
.modal-form-group select option {
  background: #0f141e;
  color: var(--text-primary);
}
.lead-modal-form .btn {
  margin-top: 4px;
}

/* Modal Trust */
.lead-modal-trust {
  text-align: center;
  margin-top: 16px;
  font-size: 0.72rem;
  color: var(--text-muted);
}
.lead-modal-trust strong { color: var(--text-secondary); }

/* Modal Success */
.lead-modal .form-success {
  padding: 28px;
}

/* Modal Responsive */
@media (max-width: 560px) {
  .lead-modal-overlay { padding: 10px; align-items: flex-start; padding-top: 20px; }
  .lead-modal { padding: 20px 16px 18px; max-height: 95vh; }
  .lead-modal-close { top: 8px; right: 10px; width: 32px; height: 32px; font-size: 1.3rem; z-index: 10; }
  .lead-modal-badge { padding: 10px 14px; }
  .lead-modal-badge span:last-child { font-size: 0.9rem; }
  .lead-modal-sub { font-size: 0.72rem; }
  .modal-form-row { flex-direction: column; gap: 10px; }
  .modal-form-sm { flex: 0 0 auto; }
  .modal-form-group input,
  .modal-form-group select { padding: 11px 12px; font-size: 0.85rem; }
  .lead-modal-form .btn { padding: 12px 20px; font-size: 0.88rem; }
  .lead-modal-trust { font-size: 0.68rem; }
}
@media (max-width: 400px) {
  .lead-modal { padding: 16px 14px 14px; }
  .lead-modal-header { margin-bottom: 14px; }
  .lead-modal-form { gap: 10px; }
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,0.3);
  padding: 60px 0 32px;
  position: relative; z-index: 1;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); margin-top: 16px; line-height: 1.6; }
.footer-legal { font-size: 0.75rem !important; color: var(--text-muted); margin-top: 8px !important; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links h4 { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 4px; }
.footer-links a { font-size: 0.88rem; color: var(--text-secondary); transition: color var(--transition); }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom {
  padding-top: 24px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }
.footer-powered { font-family: var(--font-mono); font-size: 0.72rem !important; }

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; gap: 60px; text-align: center; }
  .hero-desc { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: flex; justify-content: center; }
  .hero-dashboard { max-width: 480px; }
  .float-card { display: none; }

  .pain-grid { grid-template-columns: repeat(2,1fr); }
  .features-grid { grid-template-columns: repeat(2,1fr); }
  .feature-card-lg { grid-column: span 2; }
  .tech-grid { grid-template-columns: repeat(3,1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .solution-flow { gap: 4px; }
  .flow-step { flex: 0 0 140px; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }
  /* Remove backdrop-filter so child position:fixed works relative to viewport */
  .nav {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(6, 10, 16, 0.98) !important;
  }
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height); left: 0; right: 0; bottom: 0;
    background: rgba(6, 10, 16, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    z-index: 9998;
    overflow-y: auto;
    padding: 16px 20px 32px;
    -webkit-overflow-scrolling: touch;
  }
  .nav-links.open { display: flex; }
  .nav-link {
    font-size: 0.95rem;
    padding: 14px 16px;
    width: 100%;
    text-align: left;
    border-radius: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: background 0.2s ease;
    color: var(--text-secondary);
  }
  .nav-link:last-of-type:not(.nav-link-cta) { border-bottom: none; }
  .nav-link:hover, .nav-link:active { background: rgba(6, 182, 212, 0.08); color: var(--cyan); }
  .nav-link-cta {
    background: linear-gradient(135deg, var(--cyan), var(--purple)) !important;
    color: #fff !important;
    font-weight: 700;
    text-align: center;
    margin-top: 12px;
    border: none !important;
    border-bottom: none !important;
    border-radius: 10px;
    padding: 14px 16px;
  }
  .nav-toggle { display: flex; z-index: 9999; position: relative; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .pain-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card-lg { grid-column: span 1; }
  .tech-grid { grid-template-columns: repeat(2,1fr); }
  .who-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .cta-card { padding: 36px 24px; }
  .cta-content h2 { font-size: 1.8rem; }
  .form-row { grid-template-columns: 1fr; }
  .form-row:has(.form-group-sm) { flex-direction: column; }
  .form-group-sm { flex: 0 0 auto; }
  .form-group-full { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-trust { gap: 16px; }
  .section-cta .btn { font-size: 0.82rem; padding: 13px 20px; white-space: normal; line-height: 1.4; }
  .journey-timeline { padding-left: 28px; }
  .ecosystem-logos { gap: 16px; }
  .hero-stats { gap: 20px; }
  .solution-flow { flex-direction: column; align-items: center; }
  .flow-connector { display: none; }
  .flow-step { flex: 0 0 100%; max-width: 340px; }
  .hero-dashboard { max-width: 100%; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
  .tech-grid { grid-template-columns: repeat(2,1fr); }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { display: none; }
}

/* ================================================
   HERMES AI AGENT
   ================================================ */
.hermes { background: var(--bg); }
.hermes-showcase {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 32px; align-items: start;
}
.hermes-main-card {
  padding: 32px; border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(139,92,246,0.06), rgba(6,182,212,0.04));
  border: 1px solid rgba(139,92,246,0.25);
  position: relative; overflow: hidden;
}
.hermes-card-glow {
  position: absolute; top: -60%; right: -20%;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.1), transparent 70%);
  pointer-events: none;
}
.hermes-header {
  display: flex; align-items: center; gap: 16px; margin-bottom: 24px;
  position: relative; z-index: 1;
}
.hermes-avatar {
  border-radius: var(--radius-md); border: 2px solid rgba(139,92,246,0.4);
  box-shadow: 0 0 20px rgba(139,92,246,0.3);
  object-fit: cover;
}
.hermes-header h3 { font-size: 1.2rem; font-weight: 800; }
.hermes-subtitle { font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-mono); }

/* Chat Demo */
.hermes-chat-demo { display: flex; flex-direction: column; gap: 12px; position: relative; z-index: 1; }
.chat-bubble {
  padding: 14px 18px; border-radius: var(--radius-lg);
  max-width: 92%; position: relative;
}
.chat-customer {
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  align-self: flex-end; border-bottom-right-radius: 4px;
}
.chat-hermes {
  background: rgba(6,182,212,0.08); border: 1px solid rgba(6,182,212,0.2);
  align-self: flex-start; border-bottom-left-radius: 4px;
}
.chat-hermes-handoff {
  background: rgba(249,115,22,0.08); border-color: rgba(249,115,22,0.25);
}
.chat-name { font-size: 0.7rem; font-weight: 700; color: var(--text-muted); margin-bottom: 6px; display: block; }
.chat-bubble p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.5; }
.chat-meta {
  display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px;
  border-top: 1px solid var(--border); padding-top: 6px;
}
.chat-meta span {
  font-size: 0.65rem; font-family: var(--font-mono); color: var(--cyan);
  padding: 2px 6px; background: rgba(6,182,212,0.08); border-radius: 4px;
}
.chat-meta-warn span { color: var(--orange); background: rgba(249,115,22,0.1); }

/* Voice message bubble */
.chat-voice { border-color: rgba(16,185,129,0.3); background: rgba(16,185,129,0.06); }
.voice-wave {
  display: flex; align-items: center; gap: 3px; padding: 8px 0;
}
.voice-wave span {
  display: block; width: 3px; border-radius: 2px;
  background: var(--green); opacity: 0.7;
  animation: voiceBar 1.2s ease-in-out infinite;
}
.voice-wave span:nth-child(1)  { height: 10px; animation-delay: 0s; }
.voice-wave span:nth-child(2)  { height: 18px; animation-delay: 0.1s; }
.voice-wave span:nth-child(3)  { height: 8px;  animation-delay: 0.2s; }
.voice-wave span:nth-child(4)  { height: 22px; animation-delay: 0.15s; }
.voice-wave span:nth-child(5)  { height: 14px; animation-delay: 0.25s; }
.voice-wave span:nth-child(6)  { height: 20px; animation-delay: 0.05s; }
.voice-wave span:nth-child(7)  { height: 12px; animation-delay: 0.3s; }
.voice-wave span:nth-child(8)  { height: 16px; animation-delay: 0.18s; }
.voice-wave span:nth-child(9)  { height: 24px; animation-delay: 0.08s; }
.voice-wave span:nth-child(10) { height: 10px; animation-delay: 0.22s; }
.voice-wave span:nth-child(11) { height: 18px; animation-delay: 0.12s; }
.voice-wave span:nth-child(12) { height: 8px;  animation-delay: 0.28s; }
@keyframes voiceBar {
  0%, 100% { transform: scaleY(0.5); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}
.voice-transcript {
  font-size: 0.78rem !important; color: var(--text-muted) !important;
  font-style: italic; border-top: 1px solid var(--border);
  padding-top: 6px; margin-top: 4px;
}

/* Telegram HITL Mockup Card */
.tg-hitl-card {
  margin-top: 16px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(23,33,48,0.95), rgba(15,22,34,0.98));
  border: 1px solid rgba(6,182,212,0.2);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4), 0 0 20px rgba(6,182,212,0.06);
  position: relative; z-index: 1;
}
.tg-hitl-header {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: rgba(6,182,212,0.08);
  border-bottom: 1px solid rgba(6,182,212,0.12);
}
.tg-hitl-icon { font-size: 1.1rem; }
.tg-hitl-title {
  font-size: 0.82rem; font-weight: 700; color: var(--text-primary);
  font-family: var(--font-mono);
}
.tg-hitl-body { padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; }
.tg-hitl-row { font-size: 0.78rem; color: var(--text-secondary); }
.tg-label { color: var(--text-muted); font-weight: 600; }
.tg-value { color: var(--text-secondary); }
.tg-code { color: var(--cyan); font-family: var(--font-mono); background: rgba(6,182,212,0.1); padding: 1px 6px; border-radius: 4px; }
.tg-status { color: var(--orange); font-weight: 700; }
.tg-hitl-section {
  margin-top: 8px; padding: 10px 12px;
  background: rgba(255,255,255,0.03); border-radius: var(--radius-sm);
  border-left: 3px solid rgba(6,182,212,0.3);
}
.tg-hitl-section strong {
  display: block; font-size: 0.78rem; font-weight: 700;
  color: var(--cyan); margin-bottom: 4px;
}
.tg-hitl-section p { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; }
.tg-hitl-actions {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: rgba(255,255,255,0.06);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.tg-btn {
  padding: 10px 12px; text-align: center;
  font-size: 0.8rem; font-weight: 600;
  background: rgba(15,22,34,0.9); color: var(--text-secondary);
  border: none; cursor: pointer;
  transition: all var(--transition);
}
.tg-btn:hover { background: rgba(255,255,255,0.08); }
.tg-btn-primary { color: var(--cyan); }
.tg-btn-primary:hover { background: rgba(6,182,212,0.12); }
.tg-btn-success { color: var(--green); }
.tg-btn-success:hover { background: rgba(16,185,129,0.12); }
.tg-btn-warn { color: var(--yellow); }
.tg-btn-warn:hover { background: rgba(251,191,36,0.12); }
.tg-btn-danger { color: var(--red); }
.tg-btn-danger:hover { background: rgba(239,68,68,0.12); }

/* Hermes Features */
.hermes-features { display: flex; flex-direction: column; gap: 16px; }
.hermes-feat {
  display: flex; gap: 14px; padding: 16px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); transition: all var(--transition);
}
.hermes-feat:hover { border-color: var(--border-glow); transform: translateX(3px); }
.hermes-feat-icon { font-size: 1.6rem; flex-shrink: 0; }
.hermes-feat h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 4px; }
.hermes-feat p { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; }

/* Expanded Hermes Features & Mockups */
.feat-expanded {
  flex-direction: column;
  gap: 12px;
}
.zalo-reminder-mockup {
  margin-top: 10px;
  background: rgba(0, 104, 255, 0.05);
  border: 1px solid rgba(0, 104, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  text-align: left;
}
.zalo-rem-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #0068FF;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.zalo-rem-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.zalo-rem-title {
  font-size: 0.8rem !important;
  font-weight: 700;
  color: var(--text-primary) !important;
}
.zalo-rem-time {
  font-size: 0.75rem !important;
  color: var(--cyan) !important;
  font-family: var(--font-mono);
}
.zalo-rem-desc {
  font-size: 0.72rem !important;
  color: var(--text-muted) !important;
}
.zalo-rem-badge {
  align-self: flex-start;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--green);
  border-radius: 20px;
  margin-top: 6px;
  display: inline-block;
}

.telegram-report-mockup {
  margin-top: 10px;
  background: rgba(15, 22, 34, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.tg-report-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}
.telegram-report-mockup:hover .tg-report-img {
  transform: scale(1.02);
}
.tg-report-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85), transparent);
  padding: 12px 16px;
  text-align: center;
}
.tg-report-overlay span {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 600;
}

/* ================================================
   ECOSYSTEM MAP / FLOW DIAGRAM
   ================================================ */
.ecosystem-map { background: rgba(255,255,255,0.01); }
.ecosystem-infographic { text-align: center; margin-bottom: 48px; }
.infographic-img {
  max-width: 900px; width: 100%; margin: 0 auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.flow-diagram {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 40px 32px; overflow-x: auto;
}
.flow-diagram-title {
  text-align: center; font-size: 0.8rem; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 32px;
}
.flow-svg-wrap { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.flow-row {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; flex-wrap: wrap;
}
.flow-row-core { gap: 8px; }
.flow-node {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 14px 16px; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  text-align: center; min-width: 130px;
  transition: all var(--transition);
}
.flow-node:hover { transform: translateY(-2px); border-color: var(--border-glow); }
.fn-icon { font-size: 1.4rem; }
.fn-label { font-size: 0.78rem; font-weight: 700; }
.fn-sub { font-size: 0.65rem; color: var(--text-muted); font-family: var(--font-mono); }
.fn-hermes-img { border-radius: 6px; object-fit: cover; }

.flow-node-source { background: rgba(100,116,139,0.08); }
.flow-node-core { min-width: 160px; padding: 18px 20px; }
.flow-node-ai { background: rgba(139,92,246,0.1); border-color: rgba(139,92,246,0.25); }
.flow-node-engine { background: rgba(249,115,22,0.08); border-color: rgba(249,115,22,0.2); }
.flow-node-hermes { background: rgba(6,182,212,0.08); border-color: rgba(6,182,212,0.25); }
.flow-node-channel { background: rgba(59,130,246,0.06); border-color: rgba(59,130,246,0.15); }
.flow-node-zalo { background: rgba(0,104,255,0.1); border-color: rgba(0,104,255,0.25); }
.flow-node-mgmt { background: rgba(16,185,129,0.06); border-color: rgba(16,185,129,0.15); }
.flow-connector-h { font-size: 1.1rem; color: var(--text-muted); flex-shrink: 0; }
.flow-arrow-down {
  text-align: center; font-size: 0.7rem; font-weight: 600;
  color: var(--cyan); padding: 8px 0;
  letter-spacing: 0.04em;
}
.flow-arrow-down-split {
  display: flex; justify-content: center; gap: 60px;
  font-size: 0.7rem; font-weight: 600; color: var(--cyan); padding: 8px 0;
}

.flow-roles {
  display: flex; flex-direction: column; gap: 10px;
  margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--border);
}
.flow-role { display: flex; align-items: center; gap: 10px; font-size: 0.8rem; color: var(--text-secondary); }
.flow-role-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.flow-role-owner { background: var(--orange); }
.flow-role-customer { background: var(--blue); }
.flow-role-ai { background: var(--cyan); }

/* ================================================
   INDUSTRY GRID (9 + Owner)
   ================================================ */
.industry-grid {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 16px;
}
.industry-card {
  padding: 24px 20px; border-radius: var(--radius-lg);
  background: var(--bg-card); border: 1px solid var(--border);
  text-align: center; transition: all var(--transition);
}
.industry-card:hover { transform: translateY(-3px); border-color: var(--border-glow); box-shadow: 0 4px 30px rgba(6,182,212,0.08); }
.industry-primary { border-color: rgba(6,182,212,0.2); background: rgba(6,182,212,0.04); }
.industry-owner {
  border-color: rgba(139,92,246,0.3);
  background: linear-gradient(135deg, rgba(139,92,246,0.08), rgba(6,182,212,0.06));
  grid-column: span 3;
}
.industry-icon { font-size: 2rem; margin-bottom: 10px; display: block; }
.industry-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.industry-card p { font-size: 0.78rem; color: var(--text-secondary); }

/* Float icon img */
.float-icon-img { width: 36px; height: 36px; flex-shrink: 0; }
.float-icon-img img { border-radius: var(--radius-sm); object-fit: cover; }

/* ================================================
   RESPONSIVE — NEW SECTIONS
   ================================================ */
@media (max-width: 1024px) {
  .hermes-showcase { grid-template-columns: 1fr; }
  .flow-node { min-width: 110px; padding: 10px 12px; }
  .flow-node-core { min-width: 140px; }
  .industry-grid { grid-template-columns: repeat(3,1fr); }
  .industry-owner { grid-column: span 3; }
}
@media (max-width: 768px) {
  .hermes-showcase { grid-template-columns: 1fr; }
  .hermes-main-card { padding: 24px; }
  .flow-row { gap: 8px; }
  .flow-node { min-width: 100px; padding: 10px; }
  .flow-arrow-down-split { gap: 24px; }
  .industry-grid { grid-template-columns: repeat(2,1fr); }
  .industry-owner { grid-column: span 2; }
  .flow-diagram { padding: 24px 16px; }
}
@media (max-width: 480px) {
  .industry-grid { grid-template-columns: 1fr; }
  .industry-owner { grid-column: span 1; }
  .flow-node { min-width: 90px; font-size: 0.75rem; }
  .flow-connector-h { font-size: 0.8rem; }
}

/* ================================================
   ANIMATIONS & UTILITIES
   ================================================ */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-24px); } to { opacity: 1; transform: translateX(0); } }
@keyframes countUp { from { opacity: 0; } to { opacity: 1; } }

.animate-in { animation: fadeInUp 0.7s cubic-bezier(0.4,0,0.2,1) both; }
.animate-in-delay-1 { animation-delay: 0.1s; }
.animate-in-delay-2 { animation-delay: 0.2s; }
.animate-in-delay-3 { animation-delay: 0.3s; }

[data-aos] { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-aos].aos-animate { opacity: 1; transform: translateY(0); }
[data-aos][data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos][data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos][data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos][data-aos-delay="400"] { transition-delay: 0.4s; }
[data-aos][data-aos-delay="500"] { transition-delay: 0.5s; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(6,182,212,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(6,182,212,0.5); }

/* Selection */
::selection { background: rgba(6,182,212,0.25); color: var(--text-primary); }